National Reverse Osmosis

About this product

Reverse Osmosis Water Systems for Homes & Businesses in MD, DC & VA Clean, pristine, and great-tasting drinking water starts with a professionally installed purification network. At National Water Service, we provide expert reverse osmosis (RO) system installation, precision tuning, and scheduled maintenance across Maryland, Washington D.C., and Northern Virginia. Backed by over 47 years of local trade experience, our certified water specialists help you eliminate the ongoing expense, heavy lifting, and environmental footprint of plastic bottled water by delivering pristine, spa-quality water straight from your own dedicated tap. What Is a Reverse Osmosis Water System? A reverse osmosis water system is one of the most effective and mathematically precise filtration technologies available on the modern market. The system works by pressurizing incoming raw water and forcing it through a microscopic, semi-permeable membrane. This mechanical barrier blocks, traps, and separates up to 98% of dissolved solids, flushing the waste away while routing pure water to a dedicated holding tank. Commonly tucked away directly under the kitchen sink or integrated alongside a whole-house conditioning loop, a premium RO setup acts as an elite shield that targets and removes: Heavy Metals & Elements: Lead, copper, chromium, arsenic, and radium. Chemical Disinfectants: Harsh chlorine, chloramine, and volatile chemical byproducts. Man-Made Contaminants: Industrial runoff, pharmaceuticals, nitrates, and persistent PFAS ("forever chemicals"). Nuisance Attributes: Cloudiness, sediment, and sulfuric "rotten egg" tastes or odors. Well Water vs. City Water: Why Every Home Benefits Whether your property pulls from a municipal city main or a private underground well, an RO system serves as an essential final-stage purification defense line: 🌾 For Private Well Systems Groundwater tables across MD and VA easily absorb hidden soil contaminants and heavy elements from bedrock. An RO system successfully strips out dissolved salts, heavy metal ions, and agricultural nitrates. When paired with a UV water treatment system, it creates an impenetrable barrier against microscopic bacteria like E. coli. 🏙️ For Municipal City Water Don't be fooled by the misconception that municipal city water is perfectly clean. Aging water mains, infrastructure breaks, and necessary treatment chemicals leave behind heavy traces of chlorine, chloramines, and chemical byproducts. An under-sink RO system strips away these additives, providing consistent, crystal-clear hydration. Our Proven 4-Step Installation Process We remove the guesswork from your property's water quality through a structured, highly professional installation blueprint: Water Testing & Evaluation: We perform an upfront water analysis to pinpoint exact contaminant parts per million (PPM) and verify that an RO system is ideally matched for your flow rate. Non-Proprietary System Selection: We recommend a high-output RO system scaled to your daily consumption needs. We install non-proprietary systems, meaning you are never locked into overpriced, proprietary replacement filters or corporate service plans. Certified Mechanical Installation: Our licensed technicians perform a clean, space-saving installation beneath your counter, matching it to an elegant, long-reach dispensing faucet. Ongoing Lifetime Support: We provide straightforward, hassle-free filter replacements, membrane integrity checks, and systemic inspections to keep your water running flawlessly.